【医】 picroformal
【化】 chrysolepic acid; nitroxanthic acid; picranisic acid; picric acid
picronitric acid
【医】 carbazotic acid; picric acid; trinitrophenol
formaldehyde
【化】 formaldehyde; methanal; methyl aldehyde; methylene oxide; oxymethylene
【医】 formaldehyde; formic aldehyde; methanal; methyl aldehyde